Question

Which of the following are vector quantities?
A. volume
B. acceleration
C. displacement
D. speed

Answer 1

Heya!!

Thanks for asking the question.

Answer : (B) and (C)

Explanation :

What is a physical quantity?
- Any quantity which can be measured is called physical quantity.
For example : acceleration, speed , velocity, volume, etc.

They are categorised into two types. They are :-
# Scalar quantities
# Vector quantities

What are scalar quantities ?
- Scalar quantities are those physical quantities which are represented by their magnitude ( numeric value ) only.For example : volume, area, length, time , volume, speed, distance , etc.


Conclusion : Since speed and volume has no direction and acceleration and displacement has a direction from intial point to final point.

Therefore, in the given options , only (B) and (C) are vector quantities and others are scalar quantities.



Hope it helps you.

What are vector quantities?
- Vector quantities are those physical quantities which are represented by their magnitude and direction. For example : acceleration, velocity , displacement, momentum, force , etc.

Answer 2

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Answer:b and c is your answer

Explanation:

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Scalar: Volume, mass, speed, density, number of moles, angular frequency

Vector: Acceleration, velocity, displacement, angular velocity

DEFINITION OF SCALAR QUANTITY:-

A scalar quantity is specified by its magnitude only. It does not have any direction associated with it. Volume, mass, speed, density, number of moles, and angular frequency are some of the scalar physical quantities.

DEFINITION OF VACTOR QUANTITY:-

A vector quantity is specified by its magnitude as well as the direction associated with it. Acceleration, velocity, displacement, and angular velocity belong to this category.

I hope, this will help you

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